A 74mm
B 74mm
C 70mm
These are utterly magnificent! 
Priced at £54.95 each these come with a free stand.
Sphalerite is a mineral that is the chief ore of zinc, Said to be a very powerful protection stone when one is looking for a metaphysical shield, which fills the body with golden light, it is also said to be very helpful in meditation and visualisation work
Chemical Formula: (Zn,Fe)S variety of zinc sulfide.

The Hardness: 3.5 and they have ALOT of druzy pockets.

White Sphalerite sphere